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Noorda OMM > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

What is CN I

A

Olfactory

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2
Q

What is CN II

A

Optic

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3
Q

What is CN III

A

Oculomotor

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4
Q

What is CN IV

A

Trochlear

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5
Q

What is CN V

A

Trigeminal

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6
Q

What is CN VI

A

Abducens

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7
Q

What is CN VII

A

Facial

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8
Q

What is CN VIII

A

Vestibulocochlear

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9
Q

What is CN IX

A

Glossopharyngeal

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10
Q

What is CN X

A

Vagus

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11
Q

What is CN XI

A

Accessory

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12
Q

What is CN XII

A

Hypoglossal

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13
Q

Function of olfactory n.

A

Smell

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14
Q

Function of optic n.

A

Vision

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15
Q

Function of oculomotor n.

A

Eye movement (tracking)
Pupil contraction

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16
Q

Function of trochlear n.

A

Innervates superior oblique (eye muscles)

17
Q

Function of trigeminal n.

A

Sensation of scalp, forehead, nose, cheeks, lower lid, nasal mucosa, upper lip, teeth, palate, anterior tongue, and mandible
Mastication

18
Q

Function of abducens n.

A

Innervates lateral rectus muscle (eye movements)

19
Q

Function of facial n.

A

Sensation of external ear, taste on anterior tongue, hard/soft palate
Facial expression muscles
Lacrimal, submandibular, sublingual, and mucous glands of mouth/nose

20
Q

Function of vestibulocochlear n.

A

Hearing
Balance

21
Q

Function of glossopharyngeal n.

A

Sensation to posterior tongue, external ear, middle ear cavity, carotid body and sinus
Taste posterior tongue
Parotid gland
Stylopharyngeus

22
Q

Function of vagus n.

A

Sensation in external ear, larynx, pharynx, abdominal viscera
Taste from epiglottis
Pharynx, larynx, most GIT muscles

23
Q

Function of spinal accessory n.

A

Trapezius and sternocleidomastoid muscles
Some viscera with CN X

24
Q

Function of hypoglossal n.

A

Intrinsic and extrinsic tongue muscles

25
Q

Motor cranial nerves

A

Oculomotor (III)
Trochlear (IV)
Trigeminal (V)
Abducens (VI)
Facial (VII)
Glossopharyngeal (IX)
Vagus (X)
Accessory (XI)
Hypoglossal (XII)

26
Q

Sensory cranial nerves

A

Olfactory (I)
Optic (II)
Trigeminal (V)
Facial (VII)
Vestibulocochlear (VIII)
Glossopharyngeal (IX)
Vagus (X)

27
Q

Ectoderm cranial nerves

A

Optic (II)
Vestibulocochlear (VIII)

28
Q

Endoderm cranial nerves

A

Olfactory (I)
Facial (VII)
Glossopharyngeal (IX)
Vagus (X)
Accessory (XI)

29
Q

What cranial nerves have parasympathetic fibers

A

III - Eye
VII - Upper respiratory, lacrimal, salivary
IX - Parotid
X - Most thoracic and upper RUG

Noorda OMM (16 decks)

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